Air Miles Calculator

Distance between Casper, WY (CPR) and Hailey, ID (SUN)

Flight distance from Casper to Hailey (Casper–Natrona County International Airport – Friedman Memorial Airport) is 397 miles / 640 kilometers / 345 nautical miles. Estimated flight time is 1 hour 15 minutes.

Driving distance from Casper (CPR) to Hailey (SUN) is 502 miles / 808 kilometers and travel time by car is about 10 hours 50 minutes.

Map of flight path and driving directions from Casper to Hailey.

Shortest flight path between Casper–Natrona County International Airport (CPR) and Friedman Memorial Airport (SUN).

How far is Hailey from Casper?

There are several ways to calculate distances between Casper and Hailey. Here are two common methods:

Vincenty's formula (applied above)
  • 397.483 miles
  • 639.687 kilometers
  • 345.403 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 396.431 miles
  • 637.993 kilometers
  • 344.489 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Airport information


A Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W

B Friedman Memorial Airport
City: Hailey, ID
Country: United States Flag of United States
IATA Code: SUN
ICAO Code: KSUN
Coordinates: 43°30′15″N, 114°17′45″W

Time difference and current local times

There is no time difference between Casper and Hailey.

Time Difference

Casper, WY

 MST

Hailey, ID

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 84 kg (184 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Hailey (SUN).

Distance:
397
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
397

Round trip?